dd: failed to open ‘’: No such file or directory

[rohitsay89]

I am trying to run the script beaglebone-black-make-microSD-flasher-from-eMMC.sh and it shows me the following error.

> Writing bootloader to [/dev/mmcblk0]
> ----------------------------------------
> ==> Figuring out options for SPL U-Boot copy ...
> ===> Will use :
> ==> Figuring out options for U-Boot copy ...
> ===> Will use :
> ==> Copying SPL U-Boot with dd if= of=/dev/mmcblk0
> ------------------------------------------------------------
> dd: failed to open ‘’: No such file or directory
> Traceback (last called is first):
>      _dd_bootloader() in ./functions.sh:801
>      prepare_drive_reverse() in ./functions.sh:1432
>      main() in ./beaglebone-black-make-microSD-flasher-from-eMMC.sh:37
> The command dd if=${dd_spl_uboot_backup} of=${destination} ${dd_spl_uboot} exited with exit c                                                                                                 ode 1.

Should make any changes to the script functions.sh ? Thanks, Rohit